CTICasesAspiration bronchiolitis
Imaging findings
Chest CT shows a dilated esophagus containing pooled fluid and chronic, dependant, branching, calcified/ossified structures in the lower lobes representing dendriform pulmonary ossification, associated with mild bronchiectasis and centrilobular nodules.
Key takeaways
Dendriform pulmonary ossification is a rare condition characterized by branching bone formation within the alveolar spaces. While classically associated with idiopathic pulmonary fibrosis, it is also highly associated with chronic, recurrent gastric aspiration, presenting as calcified branching structures in dependent lung zones.
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